Description
“B” terminal circuit supplies power to charge the battery and to operate the vehicles electrical system.
Diagnosis Procedure
Regarding Wiring Diagram information. Refer to CHG-7, "Wiring Diagram".
1.CHECK “B” TERMINAL CONNECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair terminal “B” connection. Confirm repair by performing complete Charging system test using the EXP-800 NI or GR8-1200 NI (if available). Refer to applicable Instruction Manual for proper testing procedures.
2.CHECK “B” TERMINAL CIRCUIT
Check voltage between generator “B” terminal and ground.

Is the inspection result normal? YES >> GO TO 3.
NO >> Check harness for open between generator and fusible link.
3.CHECK “B” TERMINAL CONNECTION (VOLTAGE DROP TEST)

Is the inspection result normal? YES >> “B” terminal circuit is normal. Refer to CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-14, "Work Flow (Without EXP-800 NI or GR8-1200 NI)".
NO >> Check harness between battery and generator for continuity.
Power generation voltage variable control system operation
inspection
Symptom diagnosisMalfunction indicator lamp
Component Function Check
1.CHECK MIL FUNCTION
Turn ignition switch ON.
Check that MIL illuminates.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-476, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK DTC
Check that DTC UX ...
Engine compartment
CAUTIONNever use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
Two types of fuses are used. Type A is used in
the fuse boxes in the engine compartment. Type
B is used in the passe ...
LDW system limitations
WARNING
Not all conditions allow the LDW system to function properly. Misuse can lead to an unsafe driving situation.
The system will not work below 37 MPH (60 km/h) or when lane markings are not visible.
Do not rely on LDW under conditions such as heavy rain, snow, ice, narrow roads, temporary ...